add tests which check if contents are null

[To-Ki-O]

add tests which check if contents are null

• ListAction in actions.ts
  • add test which types "dim list" with catalogUrl, catalogResrceId, lastModified and eTag.
• SearchAction in actions.ts
  • add searchData2.json
  • add test which types "dim search "避難所" but xckan_description, license_title and resources(except for name and id) are null

[ryo-ma]

CI is failing. https://github.com/c-3lab/dim/actions/runs/3310309166/jobs/5464367332

[codecov[bot]]

Codecov Report

Merging #89 (a0ed981) into main (8341b5e) will increase coverage by 4.05%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #89      +/-   ##
==========================================
+ Coverage   94.77%   98.82%   +4.05%     
==========================================
  Files          18       18              
  Lines        1282     1282              
  Branches      132      133       +1     
==========================================
+ Hits         1215     1267      +52     
+ Misses         67       15      -52     

Impacted Files	Coverage Δ
libs/actions.ts	100.00% <100.00%> (+15.95%)	:arrow_up:

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[ryo-ma]

LGTM